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upgraded print

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Kyle
2021-05-14 09:27:57 -07:00
parent 84440ceacd
commit ad0d0efa8e
2 changed files with 56 additions and 17 deletions
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60
print/print.js
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@@ -1,10 +1,10 @@
//Configure sizes
var ppi = 600;
var page = [8.5 * ppi, 11 * ppi];
var cardWidth = 2.5 * ppi;
var cardHeight = 3.5 * ppi;
var cardMarginX = parseInt(document.querySelector('#cardMargin').value);
var cardMarginY = parseInt(document.querySelector('#cardMargin').value);
var page = [8.5, 11];
var cardWidth = 2.5;
var cardHeight = 3.5;
var cardMarginX = parseInt(document.querySelector('#cardMargin').value) / ppi;
var cardMarginY = parseInt(document.querySelector('#cardMargin').value) / ppi;
//Prepare variables/canvas/context
var imageList = [];
var canvas = document.querySelector('canvas');
@@ -12,23 +12,30 @@ var context = canvas.getContext('2d');
drawSheet();
function uploadCard(card) {
function uploadCard(card, filename) {
var img = new Image();
img.crossOrigin = 'anonymous';
img.onload = function() {imageList.push(this); drawSheet();}
img.filename = filename.replace('filename=', '');
img.src = card;
}
function drawSheet() {
canvas.width = page[0];
canvas.height = page[1];
canvas.width = page[0] * ppi;
canvas.height = page[1] * ppi;
context.clearRect(0, 0, page[0], page[1]);
const cardsX = Math.floor(page[0] / cardWidth);
const cardsY = Math.floor(page[1] / cardHeight);
var count = 0;
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i --) {
if (imageList[i].width > 1) {
context.drawImage(imageList[i], (page[0] - cardsX * cardWidth) / 2 + (count % cardsX) * (cardWidth + cardMarginX) - cardMarginX, (page[1] - cardsY * cardHeight) / 2 + (Math.floor(count / cardsX) % cardsY) * (cardHeight + cardMarginY) - cardMarginY, cardWidth, cardHeight);
const cardX = (page[0] - cardsX * cardWidth) / 2 + (count % cardsX) * (cardWidth + cardMarginX) - cardMarginX;
const cardY = (page[1] - cardsY * cardHeight) / 2 + (Math.floor(count / cardsX) % cardsY) * (cardHeight + cardMarginY) - cardMarginY;
try {
context.drawImage(imageList[i], cardX * ppi, cardY * ppi, cardWidth * ppi, cardHeight * ppi);
} catch {
console.log('image failed.');
}
}
count ++;
}
@@ -51,25 +58,48 @@ function downloadPDF() {
var doc = new jsPDF({
orientation: pageOrientation,
unit: 'in',
format: [page[0] / ppi, page[1] / ppi]
format: [page[0], page[1]]
});
doc.addImage(canvas.toDataURL('image/png'), 'PNG', 0, 0, page[0] / ppi, page[1] / ppi);
const cardsX = Math.floor(page[0] / cardWidth);
const cardsY = Math.floor(page[1] / cardHeight);
var count = 0;
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i --) {
if (imageList[i].width > 1) {
const cardX = (page[0] - cardsX * cardWidth) / 2 + (count % cardsX) * (cardWidth + cardMarginX) - cardMarginX;
const cardY = (page[1] - cardsY * cardHeight) / 2 + (Math.floor(count / cardsX) % cardsY) * (cardHeight + cardMarginY) - cardMarginY;
console.log(`image: ${imageList[i].filename}, bounds: ${cardX}, ${cardY}, ${cardWidth}, ${cardHeight}`)
doc.addImage(imageList[i], 'PNG', cardX, cardY, cardWidth, cardHeight);
}
count ++;
}
doc.save('print.pdf');
}
function setPageSize(size = [8.5, 11]) {
page[0] = parseFloat(size[0]) * ppi;
page[1] = parseFloat(size[1]) * ppi;
page[0] = parseFloat(size[0]);
page[1] = parseFloat(size[1]);
drawSheet();
}
function setCardSize(size = [2.5, 3.5]) {
cardWidth = parseFloat(size[0]);
cardHeight = parseFloat(size[1]);
drawSheet();
}
function setCardDistance(distance) {
cardMarginX = parseInt(distance);
cardMarginY = parseInt(distance);
cardMarginX = parseInt(distance) / ppi;
cardMarginY = parseInt(distance) / ppi;
drawSheet();
}
function changeOrientation() {
page = page.reverse();
drawSheet();
}
function setPPI(inputPPI) {
ppi = parseInt(inputPPI);
setPageSize([page[0], page[1]]);
setCardSize([cardWidth, cardHeight]);
}